← Wells

42-103-03584

Final Completion

SAND HILLS TUBB UNIT

CRANE County · District 8 · FORMENTERA OPERATIONS LLC · SAND HILLS (TUBB)

Permits

1

Max Depth

4,691 ft

First Permit

2005-08-15

Latest Activity

2005-08-15

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1989-07-10

Shut-In

—

Plugged

—

!

EWA / Permit operator mismatch

Scheduling: FORMENTERA OPERATIONS LLC ≠ Permit: ENCORE OPERATING, L.P.

Resolved via: production → FORMENTERA OPERATIONS LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MOBIL PRODUCING TX. & N.M. INC. 1993-1996→ TITAN RESOURCES I, INC. 1996-2000→ PURE RESOURCES, L.P. 2000-2002→ HOME-STAKE OIL & GAS COMPANY 2002-2002→ CORTEZ OPERATING COMPANY 2002-2004→ ENCORE OPERATING, L.P. 2004-2009→ ENCORE ENERGY PARTNERS OPER LLC 2009-2012→ VANGUARD PERMIAN, LLC 2012-2015→ VANGUARD OPERATING, LLC 2015-2019→ GRIZZLY OP OF DELAWARE, LLC 2019-2021→ CONTANGO RESOURCES, INC. 2021-2021→ CONTANGO RESOURCES, LLC 2022-2022→ SLANT OPERATING, LLC 2022-2023→ FORMENTERA OPERATIONS LLC 2023-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Oil
production & DCA →
Oil
production & DCA →

Formation Tops (3) Elevation 2,611 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LIME3,852 ft-1,241 ft
SANDY LIME4,325 ft-1,714 ft
LIME4,346 ft-1,735 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (2)

IntervalType
4,064–4,230 ftPerforated
4,346–4,691 ftOpen hole

Casing (2)

SizeSet DepthCement
8.625"451 ft175 sx
5.5"4,346 ft225 sx

Permit History (1)

#603681 Recompletion Final Completion

SAND HILLS TUBB UNIT · 4,691 ft

2005-08-15

Spud 2005-08-24

Applications (1)

#603681 A ENCORE OPERATING, L.P.
received 2005-07-19

Records & Logs

4 completion filings on record · 1 with log images at RRC.

W-2/G-1 2006-07-05 log on file
W-2/G-1 1989-09-07
W-2/G-1 1989-09-07
W-2/G-1 1984-01-12
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in CRANE County.

Well Details

Well Number
9
Max Depth
4,691 ft
Drill Type
Vertical
County
CRANE
District
8
Operator
FORMENTERA OPERATIONS LLC
Completed
1989-07-10

Operator

Location
AUSTIN
P-5 Status
X (filed 2026-06-11)
Cum Oil (all leases)
7,170,117 bbl
Cum Gas (all leases)
53,235,974 mcf
Activities
CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits
83